Equation-free Model Reduction in Agent-based Computations: Coarse-grained Bifurcation and Variable-free Rare Event AnalysisPing Liu, C. I. Siettos, C. W. Gear and I. G. KevrekidisMath. Model. Nat. Phenom., 10 3 (2015) 71-90DOI: https://doi.org/10.1051/mmnp/201510307